Water resistent speaker cone ABS plastic housing Encapsulated circuitry Stud mount wiring SAE J994 Class C compliant., SPECIFICATIONS: Mount Style: Permanent. Input Voltage: 12-24VDC. Warranty: 2 Years. Vdc: 12-24. Amps: 0.2A. Dimension: 2 5/8"H x 4"W x 1 5/8"D. Ship Weight: 1.0 lbs.